Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/14926#discussion_r77309440
--- Diff:
core/src/main/scala/org/apache/spark/ExecutorAllocationManager.scala ---
@@ -392,10 +397,36 @@ private[spark] class ExecutorAllocationManager(
}
/**
- * Request the cluster manager to remove the given executor.
+ * Request the cluster manager to remove the given executors.
* Return whether the request is received.
*/
- private def removeExecutor(executorId: String): Boolean = synchronized {
+ private def removeExecutors(executorIds: Seq[String]): Boolean =
synchronized {
+
+ val executorIdsToBeRemoved = executorIds.filter(canBeKilled)
+
+ // Send a request to the backend to kill this executor
+ val removeRequestAcknowledged = testing ||
client.killExecutors(executorIdsToBeRemoved)
+ if (removeRequestAcknowledged) {
+ val numExistingExecutors = allocationManager.executorIds.size -
executorsPendingToRemove.size
+ var index = 0
--- End diff --
why this? the `for` already defines it for you
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